CVE-2020-9928 : Security Advisory and Response
Learn about CVE-2020-9928, a macOS vulnerability allowing arbitrary code execution with kernel privileges. Update to macOS Catalina 10.15.6 to fix the issue.
Multiple memory corruption issues in macOS were addressed with improved memory handling, fixing the ability for an application to execute arbitrary code with kernel privileges.
Understanding CVE-2020-9928
What is CVE-2020-9928?
CVE-2020-9928 is a vulnerability in macOS that allowed multiple memory corruption issues, enabling an application to execute arbitrary code with kernel privileges.
The Impact of CVE-2020-9928
The vulnerability could be exploited by an application to gain kernel privileges, potentially leading to unauthorized access and control of the affected system.
Technical Details of CVE-2020-9928
Vulnerability Description
The issue was related to memory corruption problems in macOS, which were mitigated through enhanced memory handling.
Affected Systems and Versions
- Affected Product: macOS
- Vendor: Apple
- Affected Versions: macOS Catalina 10.15.6 and below
Exploitation Mechanism
The vulnerability allowed an application to manipulate memory in a way that could execute arbitrary code with elevated kernel privileges.
Mitigation and Prevention
Immediate Steps to Take
- Update macOS to version 10.15.6 or later to patch the vulnerability.
- Regularly monitor for security updates from Apple.
Long-Term Security Practices
- Employ robust cybersecurity measures to prevent unauthorized access.
- Implement least privilege access controls to limit potential damage from exploitation.
Patching and Updates
Ensure timely installation of security patches and updates provided by Apple to address known vulnerabilities.